Eighth seed Yuki pipped fourth seed Japanese Tatsuma Ito 6-4, 1-6, 7-5 in a quarter-final encounter that lasted one hour and 46 minutes.
The 277-ranked Yuki avenged his last year’s defeat in Kyoto against the higher-ranked Japanese, who is ranked 105 places above the Indian. Yuki next faces second seed and 138-ranked James Duckworth.
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